JP3577325B2 - 離散余弦変換（ｄｃｔ）によるデータ処理方法、ｄｃｔ方法、およびｄｃｔデータ処理回路 - Google Patents

離散余弦変換（ｄｃｔ）によるデータ処理方法、ｄｃｔ方法、およびｄｃｔデータ処理回路 Download PDF

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JP3577325B2
JP3577325B2 JP25974092A JP25974092A JP3577325B2 JP 3577325 B2 JP3577325 B2 JP 3577325B2 JP 25974092 A JP25974092 A JP 25974092A JP 25974092 A JP25974092 A JP 25974092A JP 3577325 B2 JP3577325 B2 JP 3577325B2
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JPH05260313A (ja
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ミシェル・ヘンリイ
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エステーミクロエレクトロニクス ソシエテ アノニム
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
JP25974092A 1991-09-30 1992-09-29 離散余弦変換（ｄｃｔ）によるデータ処理方法、ｄｃｔ方法、およびｄｃｔデータ処理回路 Expired - Fee Related JP3577325B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9112277A FR2681962B1 (fr) 1991-09-30 1991-09-30 Procede et circuit de traitement de donnees par transformee cosinus.
FR91/12277 1991-09-30

Publications (2)

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JPH05260313A JPH05260313A (ja) 1993-10-08
JP3577325B2 true JP3577325B2 (ja) 2004-10-13

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JP25974092A Expired - Fee Related JP3577325B2 (ja) 1991-09-30 1992-09-29 離散余弦変換（ｄｃｔ）によるデータ処理方法、ｄｃｔ方法、およびｄｃｔデータ処理回路

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US (1) US5995990A (enrdf_load_stackoverflow)
EP (1) EP0536062B1 (enrdf_load_stackoverflow)
JP (1) JP3577325B2 (enrdf_load_stackoverflow)
DE (1) DE69228036T2 (enrdf_load_stackoverflow)
FR (1) FR2681962B1 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07152730A (ja) * 1993-11-30 1995-06-16 Toshiba Corp 離散コサイン変換装置
US6295320B1 (en) * 1997-12-31 2001-09-25 Lg Electronics Inc. Inverse discrete cosine transforming system for digital television receiver
US6493737B1 (en) * 1998-06-29 2002-12-10 Stmicroelectronics S.R.L. Method and circuit for computing the discrete cosine transform (DCT) in microcontrollers
KR100275933B1 (ko) * 1998-07-14 2000-12-15 구자홍 엠펙디코더의 역이산여현변환장치
CA2347671A1 (en) * 1998-12-24 2000-07-06 Dupont Pharmaceuticals Company Succinoylamino benzodiazepines as inhibitors of a.beta. protein production
US7454439B1 (en) * 1999-11-24 2008-11-18 At&T Corp. System and method for large-scale data visualization
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
US20040111457A1 (en) * 2001-07-02 2004-06-10 Scholz John Arthur Method for executing a linear transformation
JP4175124B2 (ja) * 2003-01-24 2008-11-05 ソニー株式会社 画像信号処理装置
US20050281332A1 (en) * 2004-06-22 2005-12-22 Wai-Ming Lai Transform coefficient decoding
US7564874B2 (en) 2004-09-17 2009-07-21 Uni-Pixel Displays, Inc. Enhanced bandwidth data encoding method
EP1943642A4 (en) * 2005-09-27 2009-07-01 Lg Electronics Inc METHOD AND DEVICE FOR CODING / DECODING A MULTI-CHANNEL AUDIO SIGNAL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601183A (nl) * 1986-05-12 1987-12-01 Philips Nv Discrete cosinus transformatie-inrichting.
FR2603719B1 (fr) * 1986-09-04 1991-10-31 Duhamel Pierre Dispositif de determination de la transformee numerique d'un signal
US4791598A (en) * 1987-03-24 1988-12-13 Bell Communications Research, Inc. Two-dimensional discrete cosine transform processor
US5053985A (en) * 1989-10-19 1991-10-01 Zoran Corporation Recycling dct/idct integrated circuit apparatus using a single multiplier/accumulator and a single random access memory

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Publication number Publication date
EP0536062B1 (fr) 1998-12-30
DE69228036D1 (de) 1999-02-11
EP0536062A3 (enrdf_load_stackoverflow) 1994-03-23
US5995990A (en) 1999-11-30
FR2681962B1 (fr) 1993-12-24
FR2681962A1 (fr) 1993-04-02
JPH05260313A (ja) 1993-10-08
EP0536062A2 (fr) 1993-04-07
DE69228036T2 (de) 1999-07-01

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